condition mean min max 12pM Fe,Midday 4.28111 4.28111 4.28111 12pM Fe,Midnight 19.228450000000002 18.254 20.2029 58pM Fe,Midday 2.08347 2.08347 2.08347 58pM Fe,Midnight 28.231185714285715 0.0 43.6764 233pM Fe,Midnight 28.28643333333333 27.5336 28.7277 1160pM Fe,Midday 12.580771428571428 10.184 16.1757 1160pM Fe,Midnight 23.722541666666665 13.5953 42.5409 High carbon,Dark 12.668757333333334 2.03324 26.8544 High carbon,Light 21.388299461538463 0.990893 63.1337 Low carbon,Dark 8.86972 8.86972 8.86972 Phloroglucinol 1.3744233333333333 1.02085 1.96229 Silicon starvation,12h 15.5283 15.5283 15.5283